/* =========================================================
   Vienna Atelier — Professional Wallpaper Installation
   style.css
   ========================================================= */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white:   #ffffff;
  --off-white: #f8f6f3;
  --light-gray: #f0ede8;
  --mid-gray: #9a9a9a;
  --dark-gray: #2d2d2d;
  --black:   #111111;
  --accent:  #c8974a;       /* warm amber gold */
  --accent-dark: #a87a35;
  --accent-light: #e8c07a;
  --text:    #333333;
  --shadow:  rgba(0,0,0,.12);
  --radius:  6px;
  --transition: .3s ease;
  --max-w: 1200px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--black);
  line-height: 1.25;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: 1.3rem; }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .6rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: #666;
  max-width: 600px;
}

/* ── Utility ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

section { padding: 6rem 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 2.2rem;
  border-radius: var(--radius);
  font-size: .98rem;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--shadow); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--black); }

/* ── Navbar ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all var(--transition);
}
#navbar.scrolled {
  background: rgba(17,17,17,.98);
  box-shadow: 0 4px 30px rgba(0,0,0,.3);
  padding: .8rem 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo .brand-name {
  font-family: Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .02em;
}
.nav-logo .brand-tagline {
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-light);
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 2.2rem;
  align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,.9);
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--accent-light); }
.nav-cta {
  padding: .6rem 1.4rem !important;
  font-size: .82rem !important;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: .4rem;
}
.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ── Hero ── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  transform: scale(1.05);
  animation: heroZoom 20s infinite alternate ease-in-out;
}
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.15); } }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,10,10,.8) 0%,
    rgba(10,10,10,.5) 50%,
    rgba(10,10,10,.3) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 10rem 0 6rem;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(200,151,74,.15);
  border: 1px solid rgba(200,151,74,.4);
  color: var(--accent-light);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: .5rem 1.2rem;
  border-radius: 50px;
  margin-bottom: 1.8rem;
}
.hero-content h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 15px rgba(0,0,0,.4);
}
.hero-sub {
  font-size: 1.2rem;
  color: rgba(255,255,255,.9);
  margin-bottom: 2.5rem;
  max-width: 620px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-bottom: 3rem;
}
.hero-phone {
  display: flex;
  align-items: center;
  gap: .8rem;
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.hero-phone svg { color: var(--accent-light); }
.hero-trust {
  margin-top: 4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
}
.trust-item svg { color: var(--accent-light); }

/* ── About Us ── */
#about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-img-wrap {
  position: relative;
}
.about-img-wrap img {
  border-radius: 12px;
  width: 100%;
  height: 520px;
  object-fit: cover;
  box-shadow: 0 30px 70px rgba(0,0,0,.18);
}
.about-experience {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  background: var(--accent);
  color: var(--white);
  padding: 1.5rem 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 15px 40px rgba(200,151,74,.4);
}
.about-experience .num { font-size: 2.5rem; font-weight: 800; line-height: 1; display: block; }
.about-experience .txt { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin-top: .4rem; }
.about-text .section-subtitle { max-width: 100%; margin-bottom: 1.5rem; }
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.feat-item {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
}
.feat-item svg { color: var(--accent); flex-shrink: 0; margin-top: .2rem; }
.feat-item h4 { font-size: 1rem; margin-bottom: .2rem; }
.feat-item p { font-size: .88rem; color: #777; line-height: 1.5; }

/* ── Services ── */
#services { background: var(--off-white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}
.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.04);
  transition: all var(--transition);
  border: 1px solid rgba(0,0,0,.05);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.service-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,0,0,.1); border-color: rgba(200,151,74,.2); }
.service-card:hover::after { transform: scaleX(1); }
.service-icon {
  width: 60px; height: 60px;
  background: rgba(200,151,74,.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent);
  transition: all var(--transition);
}
.service-card:hover .service-icon { background: var(--accent); color: var(--white); }
.service-card h3 { margin-bottom: .8rem; font-size: 1.2rem; }
.service-card p { font-size: .92rem; color: #666; line-height: 1.6; }

/* ── Why Choose Us ── */
#why { background: var(--black); }
#why .section-title { color: var(--white); }
#why .section-subtitle { color: rgba(255,255,255,.6); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}
.why-item {
  display: flex;
  gap: 1.2rem;
  background: rgba(255,255,255,.04);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.08);
  transition: all var(--transition);
}
.why-item:hover { background: rgba(255,255,255,.07); border-color: var(--accent); transform: translateX(6px); }
.why-icon {
  width: 48px; height: 48px;
  background: rgba(200,151,74,.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-light);
  flex-shrink: 0;
}
.why-item h3 { color: var(--white); font-size: 1.1rem; margin-bottom: .4rem; }
.why-item p { color: rgba(255,255,255,.6); font-size: .9rem; line-height: 1.6; }

/* ── Gallery ── */
#gallery { background: var(--white); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 4rem;
}
.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item:nth-child(1) { grid-column: span 2; aspect-ratio: 16/9; }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay svg { color: var(--white); transform: scale(.8); transition: transform .4s ease; }
.gallery-item:hover .gallery-overlay svg { transform: scale(1); }

/* Lightbox */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.95);
  align-items: center; justify-content: center;
  padding: 2rem;
}
#lightbox.active { display: flex; }
#lightbox img { max-width: 100%; max-height: 90vh; border-radius: 4px; box-shadow: 0 0 50px rgba(0,0,0,.5); }
#lightbox-close {
  position: absolute;
  top: 2rem; right: 2rem;
  color: var(--white);
  font-size: 2.5rem;
  cursor: pointer;
  transition: color var(--transition);
}
#lightbox-close:hover { color: var(--accent-light); }

/* ── Testimonials ── */
#testimonials { background: var(--off-white); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}
.testimonial-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.04);
  position: relative;
}
.testimonial-card::before {
  content: '“';
  position: absolute;
  top: 1rem; left: 1.5rem;
  font-family: Georgia, serif;
  font-size: 5rem;
  color: var(--light-gray);
  line-height: 1;
}
.stars { color: #f5a623; margin-bottom: 1rem; font-size: .9rem; }
.testimonial-card p { font-style: italic; color: #555; line-height: 1.8; margin-bottom: 1.5rem; position: relative; z-index: 1; }
.reviewer { display: flex; align-items: center; gap: 1rem; }
.reviewer-avatar {
  width: 48px; height: 48px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}
.reviewer-info h4 { font-size: .95rem; margin-bottom: .1rem; }
.reviewer-info span { font-size: .8rem; color: #999; }

/* ── Service Area ── */
#service-area { background: var(--white); }
.area-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-top: 4rem;
}
.area-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.area-item {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .8rem 1.2rem;
  background: var(--off-white);
  border-radius: 8px;
  font-size: .95rem;
  transition: all var(--transition);
}
.area-item svg { color: var(--accent); }
.area-item:hover { background: var(--accent); color: var(--white); }
.area-item:hover svg { color: var(--white); }
.area-note {
  margin-top: 2rem;
  padding: 1.2rem;
  background: rgba(200,151,74,.08);
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  font-size: .92rem;
  color: #555;
}

/* ── Contact ── */
#contact { background: var(--off-white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  margin-top: 4rem;
}
.contact-info h3 { margin-bottom: 1.2rem; }
.contact-info p { color: #666; margin-bottom: 2rem; }
.contact-list { list-style: none; }
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}
.contact-list .icon {
  width: 44px; height: 44px;
  background: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  box-shadow: 0 4px 15px rgba(0,0,0,.05);
  flex-shrink: 0;
}
.contact-list h4 { font-size: .9rem; color: #999; text-transform: uppercase; letter-spacing: .05em; margin-bottom: .2rem; }
.contact-list p, .contact-list a { font-size: 1.05rem; font-weight: 600; color: var(--black); }
.contact-list a:hover { color: var(--accent); }

.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 20px 60px rgba(0,0,0,.08);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: #555; margin-bottom: .5rem; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: .9rem 1.2rem;
  border: 2px solid #eee;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(200,151,74,.1); }
.form-group input.input-error, .form-group textarea.input-error { border-color: #ff4d4d; }
.field-error { color: #ff4d4d; font-size: .8rem; margin-top: .4rem; display: block; }
.form-group textarea { height: 150px; resize: vertical; }
.form-submit { width: 100%; justify-content: center; padding: 1.1rem; font-size: 1.1rem; }

#form-success {
  display: none;
  background: #e6fffa;
  border: 1px solid #38b2ac;
  color: #234e52;
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  text-align: center;
  font-weight: 600;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* ── Map ── */
#map-section { padding: 0; }
.map-wrap iframe { width: 100%; height: 450px; border: 0; display: block; filter: grayscale(15%); }

/* ── Footer ── */
footer {
  background: var(--black);
  color: rgba(255,255,255,.6);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-name { color: var(--white); font-size: 1.6rem; margin-bottom: .4rem; }
.footer-brand .brand-tagline { color: var(--accent-light); font-size: .75rem; text-transform: uppercase; letter-spacing: .15em; margin-bottom: 1.5rem; }
.footer-brand p { line-height: 1.8; }
.footer-col h4 { color: var(--white); font-size: .9rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.8rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: .8rem; }
.footer-links a { transition: color var(--transition); }
.footer-links a:hover { color: var(--accent-light); }
.footer-contact li { display: flex; gap: .8rem; margin-bottom: 1.2rem; }
.footer-contact svg { color: var(--accent); flex-shrink: 0; }
.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .85rem;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .about-grid, .contact-grid, .area-grid { grid-template-columns: 1fr; gap: 3.5rem; }
  .about-img-wrap img { height: 400px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding: 4rem 0; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(17,17,17,.98);
    flex-direction: column; padding: 2rem; gap: 1.5rem;
    border-top: 1px solid rgba(255,255,255,.1);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item:nth-child(1) { grid-column: span 2; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}
@media (max-width: 480px) {
  .hero-content h1 { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item:nth-child(1) { grid-column: span 1; }
  .area-list { grid-template-columns: 1fr; }
  .contact-form { padding: 2rem 1.5rem; }
}